S-1 switching offers a multitude of extra tonal options for your instrument and can be wired into a varitety of configurations (SPST, DPDT for a coil-top, or 4PDT for a dual humbucking coil tap). This 250K solid shaft S-1 switch works great with a 5 way Stratocaster Super Switch. Accepts set screw knobs only (knob, cap and coupling sleeve sold separately). Brand New. Genuine Fender.